JP2002031381A - Casing and structural pillar member used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable easy assembly of a casing which is installed in a clean room, without causing contamination. SOLUTION: A receiving groove (8) for allowing insertion of a fitting screw (7) at an arbitrary position is formed in the side face of a pillar member (5), having a square-cylindrical main body. Two rows of the grooves are formed in each side face of the main body of the pillar member. A support (2) and a crosspiece (3), having prescribed lengths, are formed for constituting the casing by using the pillar member (5). A joint bracket (4) is attached to a joint part of the support and the crosspiece thus obtained, and the bracket (4) is fixed by the fitting screw (7) screwed in the receiving groove (8).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a casing for providing a local cleaning environment over a specific device or the like in a clean room, and a structure of such a casing. The present invention relates to a structural column member suitably used.

[0002]

2. Description of the Related Art Cleanliness used in semiconductor manufacturing and the like.
In some systems, a casing or box for covering the device or the like may be provided to create a local environment. Conventionally,
Such casings and the like are composed of columns,
Clean members such as pillars such as horizontal rails and covering members such as plates
Each member is assembled by mounting screws after performing secondary processing such as drilling of a pilot hole for mounting on a column or the like at the site, but the work is cumbersome due to the large number of processing. At this time, dust is generated by drilling and the
In some cases, the interior of the room may be contaminated, and in addition, since dedicated columns are used for the columns and the crosspieces, there are some items that are economically difficult to obtain.

[0003]

The problem to be solved by the present invention is as follows.
As described above, a case that can be appropriately used in the clean room
Provide a casing that reduces the amount of drilling of the pilot hole of the mounting screw during assembly, simplifies the work, prevents generation of dust, and allows common members to be used as pillars and cross rails. Another object of the present invention is to provide a structural column member suitably used for this casing.

[0004]

According to the present invention, a receiving groove having a groove width in which a mounting screw can be inserted is formed along the axial direction on a side surface of a rectangular cylindrical main body, and an inner surface of the receiving groove is formed on the inner surface of the receiving groove. A column member provided with an engaging portion with which the mounting screw is engaged is provided, and the column member is vertically and horizontally joined as a column and a horizontal bar, and a connection bracket is applied between side surfaces of the column member facing the joint portion, The connection bracket is fastened to the column member with mounting screws screwed into the receiving grooves to form a frame, and a covering material covering the surface thereof is attached to the frame with the mounting screws screwed into the receiving grooves. A case characterized by being attached is provided, and the above-mentioned problem is solved.

As the covering material for the casing, various panels, plastic sheets, openable doors, and the like can be used, and when these members are attached, mounting screws screwed into the receiving grooves are used. The above problem is solved by using. Further, the column member having the above configuration is provided as a structural column member, and the above problem is solved by using the column member for a column or a crosspiece.

[0006]

FIG. 1 is an embodiment showing a casing (1) of a casing according to the present invention. As shown in FIG.
The strut (2) and the cross bar (3) are joined vertically and horizontally, and the joints are connected by connecting brackets (4)... The strut (2) and the cross bar (3) are It is made using column members (5) having the same cross-sectional shape.

As shown in FIG. 3, the column member (5) has a receiving groove (8) having a groove width which allows a mounting screw (7) to be inserted at an arbitrary position on a side surface of a rectangular cylindrical main body (6). ) Are formed along the axial direction, and an engaging portion (9) with which the mounting screw is engaged is provided on the inner surface of the receiving groove. In the figure, the main body (6) is formed in a square cross section, but may be formed in a rectangular cross section in which the short side and the long side are set at an appropriate ratio such as 1: 2, 1: 3, or the like. Although the receiving grooves are formed on each side surface of the main body, a side surface having no receiving grooves may be provided, and two panels and the like are stopped from both sides of the column member as described later. Although the receiving grooves (8) are provided in two rows on each side face so that they can be attached, they can be provided in one row or three or more rows.

The engaging portion (9) provided in the receiving groove is formed so that the thread of the mounting screw (7) is securely engaged. In the drawing, as shown in FIG. An uneven strip (10) having a pitch substantially corresponding to the pitch of the mounting screw is formed in the axial direction along the receiving groove. When a tapping screw is used as the mounting screw, the engaging portion (9) may be flat. A V-groove (11) for positioning is formed at the center of the bottom of the receiving groove (8).

The connecting bracket (4) extends perpendicularly in a substantially L-shape as shown in FIG. 4 so that it can be applied between the respective side surfaces of the column member orthogonal to the joint. A sleeve is provided with a substantially triangular connecting piece (13) connecting the sleeves (12), (12) and one side of the sleeves (12), (12), but the connecting piece may not be provided. . The sleeve (12) is provided with mounting holes (14)... And mounting screws (7) inserted through the mounting holes (14).
Is screwed into the receiving groove (8) to fasten the connection bracket (4) to the column member and connect the column member at the joint (FIG. 2).

The column member (5) is formed by extruding a metal material such as aluminum, and has a column (2) and a horizontal bar (3) for forming a desired casing having a predetermined length. Is done. Note that such work is performed in advance in the factory and not in the clean room.

The surface of the frame (1) constructed as described above is covered with an appropriate covering material except for the opening. As the coating material, various members can be prepared according to the device provided inside the casing. In the embodiment shown in the figure, a metal panel such as a steel plate or a plastic panel with an antistatic function and other panels are fixedly provided,
The panel and the like are detachably provided, a plastic film having an antistatic function is attached, and a door that can be opened and closed is provided.

FIG. 5 shows an embodiment in which various panels (15) are fixedly mounted. In the figure, a metal panel (16a) and a plastic panel (16b) are each mounted using a pressing edge (17). . The pressing edge (17) is attached to the column member by an attaching screw (7) screwed into the receiving groove (8), and an attaching hole for inserting the attaching screw has a clean room. It is good to set up in a factory before carrying in. Note that the receiving groove not used for mounting has a perforated plate (19) having appropriately shaped leg pieces (18) elastically engaged with the receiving groove.
It is closed by. Instead of using a pressing edge, a mounting hole may be provided in the panel in advance, and the panel member may be directly screwed to the column member with the mounting screw (not shown).

Pressing edge for mounting the panel (15)
(17) is a leg piece (2) that fits into a recess (20) formed at the opening edge of the receiving groove (8) of the column member (5) as shown in FIG.
1), (21) and end piece (22) which abuts on the side of the column member (5)
And a pressing piece (23) opening to one side, and the panel is held between the pressing piece (23) and the side surface of the column member. A V-groove (25) for positioning when the mounting hole (24) is provided is provided on the outer surface. When a thin sheet member (26) such as a plastic film or sheet is used as the covering material, as shown in FIG. 6 (B), the leg piece fitted into the recess (20) is used.
(27) and end piece (28), and a non-slip ridge on the inner surface
A holding piece (30) having (29) is formed, and a sheet member (26) such as a plastic film is sandwiched and held between the ridges. Instead of the pressing edge, a flat plate may be fixed with a mounting screw to sandwich the sheet member (not shown).

FIG. 7 shows an embodiment in which a detachable panel (31) is attached. In the drawing, the detachable panel (31) preferably has a retractable handle (32), and has a detachable upper rail having a flange at a position opposed to the column member (5).
(33) and a lower rail (34) are provided (FIG. 1 (A)).
After inserting the upper end of the detachable panel (31) into the upper rail (33), the lower end is fitted into the lower rail (34),
The flange length of each rail is set so that it can be attached and detached in a fast-moving manner (FIG. 1B). Each of the above rails (33), (34)
Each has a mounting hole formed in advance, and is fixed to the column member by a mounting screw (7) screwed into the receiving groove (8) via a packing.

In the case of a door (35) that can be opened and closed, one blade of a hinge (36) such as a flag hinge is attached to one end of the door (35) as shown in FIG. What is necessary is just to attach to the member (5) and to provide a one-sided or double-opening type. Also in this case, the blade is fixed to the column member by inserting a mounting screw (7) screwed into the receiving groove (8) into a mounting hole provided in the blade in advance. In addition, a hinge for glass and other appropriate hinges can be used according to the structure of the door body, and a door stop, a magnet latch, a latch receiver, and the like made of a rubber material are provided at appropriate positions to regulate opening and closing of the door body. Can be provided.

In order to adjust the height of the frame (1), an adjuster (37) for adjustment may be provided at the lower end of the support. FIG. 9 shows an embodiment of the adjuster (37), in which an adjust base (39) is formed so that a screw rod (38) of the adjuster (37) can be screwed in, and the adjust base (39) is formed. Three
On the upper surface of 9), a support cylinder (40) having a size inscribed in a space surrounded by the bottom of the receiving groove of the support is provided. The adjust base (39) is fitted to the lower end of the column (2) and is fastened with a set screw (41). The set screw (41) is screwed into a mounting screw hole previously formed in the bottom of the receiving groove using the V-groove (11) provided at the bottom of the receiving groove (8). The adjuster (37) includes a nut (42) provided at the base of the screw rod (38).
Presser fitting (44) having a claw (43) that engages with the nut (42) at a position where the adjuster (37) is appropriately screwed in.
Is fixed to the adjustment position by fixing it to the floor surface (FIG. 7B).

In order to fix the above-mentioned strut on an appropriate device or the like, as shown in FIG. 10, an angle (46) is attached to a side surface or the like of a required device (45), and the strut is fixed to the angle (46). Bee
The base (47) is fastened with a screw (48a) and a nut (48b), and the support cylinder (49) provided on the upper surface of the fixed base (47) is fixed to the support column (2) in the same manner as the above-mentioned adjust base. ) Fits on the lower end of the set screw
(41).

By assembling the frame body as described above and attaching various panels and doors, a casing (50) as shown in FIG. 11, for example, is formed. The casing (5
No. 0) has an opening (51) on the upper surface, and an air cleaning device such as an FFU (fan filter unit) is mounted on the upper surface of the casing or a blank panel is provided using the opening (51). At the time of such attachment, an attachment screw screwed into the receiving groove is used.

Since the mounting member can be screwed at an arbitrary position by using the receiving groove provided on each side surface, the column member can be suitably used for the casing frame. , And can be appropriately used as a structural support for other structures.

[0020]

According to the present invention, there is provided a column member having a receiving groove formed on a side surface of a rectangular cylindrical main body so that a mounting screw can be screwed into an arbitrary position in an axial direction. The pillars and horizontal rails were made in this way, they were joined vertically and horizontally, the connecting brackets were fastened using the mounting screws described above to form a frame, and a covering material was provided on the surface, so assembly at the site In such a case, it is not necessary to drill a prepared hole for the mounting screw as in the conventional case, the operation is simple, there is little risk of contaminating the surroundings with dust, and the column member constitutes a column or a crosspiece. Therefore, the number of constituent materials can be reduced, and it can be obtained economically.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a frame according to the present invention.

FIG. 2 is an enlarged perspective view of a joint.

3A and 3B show a column member, wherein FIG. 3A is an end view, and FIG. 3B is an enlarged view of a receiving groove portion.

FIG. 4 is a perspective view of a connection bracket.

FIGS. 5A and 5B are an enlarged perspective view and a cross-sectional view showing a mounting state of the panel.

FIGS. 6A and 6B are mainly sectional views showing a pressing edge, in which FIG. 6A is a partial cross-sectional view when a panel is mounted, and FIG.

FIG. 7 shows a state in which a removable panel is attached, and FIG.
FIG. 4 is a cross-sectional view of a state where a panel is removed, and FIG.

FIG. 8 is a sectional view showing a state where a door is attached.

FIG. 9 shows an adjuster, (A) is an exploded perspective view,
(B) is a side view.

FIG. 10 shows a fixed state of a support, (A) is an exploded perspective view,
(B) is a side view.

FIG. 11 is a perspective view showing one embodiment of the casing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 2 Support 3 Side beam 4 Connection bracket 5 Column member 7 Mounting screw 8 Receiving groove 15 Panel 17 Pressing edge 19 Eyeboard 26 Sheet member 31 Removable panel 35 Door

Claims (6)

[Claims] 1. A receiving groove having a groove width capable of inserting a mounting screw is formed along the axial direction on a side surface of a rectangular cylindrical main body, and an engaging portion with which the mounting screw engages an inner surface of the receiving groove. The column member is vertically and horizontally joined as a column and a crosspiece, and a connection bracket is applied between the side surfaces of the column member facing the joint, and the connection bracket is screwed into the receiving groove. Wherein the frame member is fixed to the column member by mounting screws to be formed, and a covering material covering the surface thereof is mounted on the frame body by mounting screws screwed into the receiving grooves. . 2. The panel according to claim 1, wherein the covering member is a panel, and a pressing edge is fixed to the pillar member by a mounting screw screwed into the receiving groove.
2. The casing according to claim 1, wherein the panel is held by the pressing edge. 3. The door according to claim 1, wherein the covering member is a door provided on the frame so as to be openable and closable, and a hinge of the door is fixed to the column member with a mounting screw screwed into the receiving groove. The casing described. 4. A receiving groove having a groove width capable of inserting a mounting screw is formed along the axial direction on each side surface of the rectangular cylindrical main body, and the mounting screw is engaged with an inner surface of the receiving groove. A structural column member having a portion formed. 5. The structural column member according to claim 4, wherein the main body is formed in a square cross section, and the receiving grooves are provided in two rows on one side surface. 6. The structural column member according to claim 4, wherein the engaging portion on the inner surface of the receiving groove is a concave and convex strip extending in the axial direction along the receiving groove.